code: def __str__(self):
      rep = super().__str__()
  
      header = """
          Random Neural Network Data Generating Process
          ---------------------------------------------
          """
      rep += """
          arch:{}
          nn:{}
          random_state:{}
          """.format(
          self.arch, self.nn, self.random_state
      )
  
      rep = header + rep
  
      return rep
  
file_path: dowhy/dowhy/utils/dgps/random_neural_network.py
imports: import numpy
  import pandas
  from sklearn.neural_network import MLPRegressor
  from dowhy.utils.dgp import DataGeneratingProcess
label_desc: Use image node_id 4 for calling the RandomNeuralNetwork obj's underlying member method code with example usage: obj.__str__() and returns: rep